Module Name: src Committed By: pooka Date: Fri Mar 15 12:12:16 UTC 2013
Added Files: src/sys/rump: sunldgen.sh Log Message: Support generating support for Sun ld. To generate a diff of this commit: cvs rdiff -u -r0 -r1.1 src/sys/rump/sunldgen.sh Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Added files: Index: src/sys/rump/sunldgen.sh diff -u /dev/null src/sys/rump/sunldgen.sh:1.1 --- /dev/null Fri Mar 15 12:12:16 2013 +++ src/sys/rump/sunldgen.sh Fri Mar 15 12:12:16 2013 @@ -0,0 +1,38 @@ +#!/bin/sh +# +# $NetBSD: sunldgen.sh,v 1.1 2013/03/15 12:12:16 pooka Exp $ +# + +# To support the Sun linker we need to make it behave like the GNU linker +# for orphaned sections. That means generating __start/__stop symbols +# for them and that means some nopoly-atheist-withoutfood level trickery. +# We enumerate all the section names we wish to generate symbols for. +# The good news is that it's unlikely for NetBSD to grow any more +# link sets, and even if it does, it'll be a build-time failure +# on Sun platforms so it's easy to catch and mend the list below. + +LINKSETS='rump_components evcnts prop_linkpools modules sysctl_funcs + bufq_strats domains dkwedge_methods ieee80211_funcs' + +exec 1> ldscript_sun.rump +printf '# $NetBSD: sunldgen.sh,v 1.1 2013/03/15 12:12:16 pooka Exp $\n\n$mapfile_version 2\nLOAD_SEGMENT rumpkern_linksets {' +for lset in ${LINKSETS}; do + printf '\n\tASSIGN_SECTION { IS_NAME= link_set_start_%s };\n' $lset + printf '\tASSIGN_SECTION { IS_NAME= link_set_%s };\n' $lset + printf '\tASSIGN_SECTION { IS_NAME= link_set_stop_%s };\n' $lset + printf '\tOS_ORDER+= link_set_start_%s\n' $lset + printf '\t link_set_%s\n' $lset + printf '\t link_set_stop_%s;\n' $lset +done +echo '};' + +exec 1> linksyms_sun.c +printf '/* $NetBSD: sunldgen.sh,v 1.1 2013/03/15 12:12:16 pooka Exp $ */\n\n' +for lset in ${LINKSETS}; do + printf 'int __start_link_set_%s[0]\n' $lset + printf '\t__attribute__((__section__("link_set_start_%s")));\n' $lset + printf 'int __link_set_dummy_%s[0]\n' $lset + printf '\t__attribute__((__section__("link_set_%s")));\n' $lset + printf 'int __stop_link_set_%s[0]\n' $lset + printf '\t__attribute__((__section__("link_set_stop_%s")));\n\n' $lset +done